W83877 Winbond Electronics Corp America, W83877 Datasheet - Page 14

• Manufacturer Part Number: W83877
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

1.4 Multi-Mode Parallel Port, continued
PD1
PD2
SYMBOL
PIN
10
11
I/O
I/O
I/O
I/O
I/O
I/O
IN
IN
IN
IN
-
24t
24t
24t
24t
24t
t
t
t
t
PRINTER MODE: PD1
Parallel port data bus bit 1. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: TRAK02
This pin is for Extension FDD B; the function of this pin is the
same as that of the TRAK0 pin. This pin is pulled high internally.
EXTENSION ADAPTER MODE: XD1
This pin is system data bus D1 for the Extension Adapter.
EXTENSION. 2FDD MODE: TRAK02
This pin is for Extension FDD A and B; this function of this pin is
the same as TRAK0 pin. This pin is pulled high internally.
JOYSTICK MODE: JP1
This pin is the paddle 1 input for joystick.
PRINTER MODE: PD2
Parallel port data bus bit 2. Refer to the description of the
parallel port for the definition of this pin in ECP and EPP mode.
EXTENSION FDD MODE: WP2
This pin is for Extension FDD B; the function of this pin is the
same as that of the WP pin. This pin is pulled high internally.
EXTENSION ADAPTER MODE: XD2
This pin is system data bus D2 for the Extension Adapter.
EXTENSION. 2FDD MODE: WP2
This pin is for Extension FDD A and B; this function of this pin is
the same as that of the WP pin. This pin is pulled high
internally.
JOYSTICK MODE: NC pin
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FUNCTION
W83877F